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Home Moldova Technologies Improving Plant Productivity and Resistance Increase in Conditions of Anthropogenic Polluted Soils

Improving Plant Productivity and Resistance Increase in Conditions of Anthropogenic Polluted Soils


Repeated and not always rational use of pesticides, herbicides, some fertilizers, and also radiation contamination, contamination from a truck, aerospace industry have resulted in essential upset of equilibrium in ecosystem, destruction of soils, and deterioration of health and heredity of the population. The intensity of plant growth, photosynthetic activity, and quality of production, resistance to diseases, vermin and low temperatures are reduced on the polluted soils. In these conditions the necessity of development of effective scientifically based technology for ecosystem remediation is a primary problem. Institute of Genetics and Plant Physiology Academy of Sciences of Moldova together with International Radioecology Laboratory of Chernobyl Center for Nuclear Safety, Radioactive Waste and Radioecology of Cabinet of Ministers of the Ukraine offer to use three kinds of rizospheric microorganisms and their metabolites in combination with a new microfertilizer Мicrocom for toxicants destruction in soil, reduction of chemical load on both plants and soil and deriving of ecological pure production. Preliminary researches enabled the creation of a highly effective technology for complex regulation of growth conditions and plants nutrition and detoxication of soils contaminated with the harmful chemical compounds.

Innovative Aspect and Main Advantages

The main scientific-methodical approaches is the use of achievements of microbiology and plants physiology for remediation of polluted ecosystems; complex regulation of plants growth and development with the purpose of increasing their productivity and resistance to unfavoura-ble conditions of growth. The uniqueness of the methodological approach is in the following:
а) saprophyte soil lived microorganisms are used both for risosphere bacte-rization, and foliar treatment of plants;
b) complex use of microorganisms and traces elements.

Main advantage of the offered technology, in compari-son with existing, is usage of concrete strains of rizospheric microorganisms and their metabolites in combination with a special composition of complicated microfertilizer Microcom. Application of such complex of microorganisms and microelements amplifies the influence on the destructions of toxicants in soil, plants resistance to diseases and other unfouvarable conditions of growth, reduces chemical load on plants and soil. It will allow: to activate the processes of absorption of nutritive elements, growth, activity of enzymes, fixing of molecular nitrogen; to reduce the technogenic pollution of ecosystem objects; to increase productivity and resistance of plants, quality of production and state of health of the population. Preliminary data showed the intensification of processes of growth and development of plants, increase of plant resistance by 3-6% and productivity by 10-15% under the treatment.

Areas of Application

Last years viticulture of Moldova is guided by production of healthy landing material of grape plants, free from bacterial cancer. Therefore developed technology will have primary significance in the given branch. The new landing plantations should be planted on soils where the last 6-10 years vineyards did not grow, in other words, on soils, where earlier oneyears cultures have grew, with heavily treatment by herbicides. Bacterization of seedling and young plants, also of fruit-bearing plantations will be very effective method of regulation of the mineral status of soils and plants. Offered technology can be used for remediation of soils contaminated by heavy metals and radioactive elements. The requirement of remediation of the polluted soil, necessity of regulation of growth and development of grapes as well as other cultures is topical also for southern regions of Ukraine, Russia, Hungary, Romania and Bulgaria.

Fig. 1 Control grape seedlings (row on the right) and plants treated
by trace elements and microorganisms (three rows on the left).

Stage of Development

Development phase – laboratory tested and proved in conditions of production;

Covered by patents of former USSR N 1050115, N 1467 - 809, N 2654 G2, 2005 etc.

Contact Details

Institute of Genetics and Plant Physiology
Contact person: Sofia Veliksar
Address: 22 Padurii St. Chisinau 2002, Republic of Moldova
Tel.: (+ 373 22) 568 157
Fax: (+373 22) 555 514
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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